Inventor
Hiroyuki Kumasawa
Inventor
Odawara, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing41%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use24%
G02BOptical elements, systems or apparatus12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
G11BInformation storage based on relative movement between record carrier and transducer6%
H04LTransmission of digital information, e.g. telegraphic communication6%
PatentTitleYear
8,656,099'Storage apparatus and storage control method for the same'20148,612,644'Storage apparatus and a data management method employing the storage apparatus'20138,508,691'Optical path unit and liquid crystal display device'20138,462,502'Structural fabric of a storage apparatus for mounting storage devices'20138,131,892'Storage apparatus and a data management method employing the storage apparatus'20127,917,551'Storage system and management method thereof'20117,730,235'Storage apparatus for controlling power saving modes of multiple disk devices of different specifications'20107,609,336'Liquid crystal display device'20097,558,916'Storage system, data processing method and storage apparatus'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2014Patents assigned to HITACHI LTD (7)· patent assignee history
2009–2014Based in Odawara, JP· patent location history
2009Based in Ehime, JP· patent location history
2012–2014Patents assigned to KUMASAWA HIROYUKI (5)· patent assignee history
2012–2014Patents assigned to CHIKUSA TAKASHI (4)· patent assignee history
2013–2014Patents assigned to HIRANO KAZUYA (2)· patent assignee history
2013–2014Patents assigned to SAITO KENICHI (2)· patent assignee history
2013Based in Niihama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 7 | 2009–2014 |
| KUMASAWA HIROYUKIself | 5 | 2012–2014 |
| CHIKUSA TAKASHI | 4 | 2012–2014 |
| HIRANO KAZUYA | 2 | 2013–2014 |
| SAITO KENICHI | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odawara, JP | 7 | 2009–2014 |
| Niihama, JP | 1 | 2013 |
| Ehime, JP | 1 | 2009 |